cog
🇺🇸
/kɑːɡ/
🇬🇧
/kɒɡ/
A part of a wheel shaped like a tooth that helps wheels turn together.
The cog fit perfectly into the machine, making it run smoothly.
톱니바퀴가 기계에 완벽하게 맞아 들어가, 원활하게 작동시켰다.
A wheel with teeth that mesh with other wheel teeth, helping turn or move something.
Each cog in the clock worked harmoniously, keeping the time accurate.
시계의 각 톱니바퀴는 조화롭게 작동하여 시간을 정확하게 유지했다.